1
TS EAMCET 2022 (Online) 19th July Morning Shift
MCQ (Single Correct Answer)
+1
-0

The number of nearest neighbours in a bcc unit cell is

A

12

B

8

C

6

D

4

2
TS EAMCET 2022 (Online) 18th July Evening Shift
MCQ (Single Correct Answer)
+1
-0

The correct option for axial distances and axial angles for hexagonal crystal system is

A

$a \neq b \neq c, \alpha \neq \beta \neq \gamma=90^{\circ}$

B

$a=b \neq c, \alpha=\beta=\gamma=90^{\circ}$

C

$a=b \neq c, \alpha=\beta=90^{\circ}, \gamma=120^{\circ}$

D

$a \neq b \neq c, \alpha=\beta=\gamma=90^{\circ}$

3
TS EAMCET 2022 (Online) 18th July Morning Shift
MCQ (Single Correct Answer)
+1
-0

Iron crystalises in FCC with an edge length of 400 pm . If it contains $0.1 \%$ Schottky defects, calculate its approximate density

[Atomic weight of $\mathrm{Fe}=56 \mathrm{~g} / \mathrm{mol}$ ]

A

$5.8 \mathrm{~g} / \mathrm{cm}^3$

B

$1.5 \mathrm{~g} / \mathrm{cm}^3$

C

$2.9 \mathrm{~g} / \mathrm{cm}^3$

D

$8.5 \mathrm{~g} / \mathrm{cm}^3$

4
TS EAMCET 2020 (Online) 14th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

At atmospheric pressure and very low temperature, water crystallises to

A

hexagonal form

B

cubic form

C

tetragonal form

D

tetrahedral form

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